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    What's the best practice to create has_one relations? For example, if I have a user model, and it must have ... very clean... Any suggestions? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    This follows this prior question, which was answered. I actually discovered I could remove a join from that ... much beyond the description. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have an array of elements in Ruby [2,4,6,3,8] I need to remove elements with value 3 for example How do I do that? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am trying to build a rails API for an iphone app. Devise works fine for logins through the web interface but I ... , 'password' : 'foobar'}}" See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Given I have the below clients hash, is there a quick ruby way (without having to write a multi-line script) to ... =>{"client_id"=>"2181"} } See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am interested in how RVM and rbenv actually work. Obviously they swap between different versions of Ruby and ... be doing more than this. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm building a simple api with Rails API, and want to make sure I'm on the right track here. I'm ... access without frequently forcing re-auth. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have the following file: /spec/controllers/groups_controller_spec.rb What command in terminal do I use to run just ... 3 groups end end end See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Where can I find a list of data types that can be used in rails 3? (such as text, string, integer, float, ... a list I could easily refer to. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    There are instances where I would like to revert and uninstall all previous gem installations. For instance, I needed ... on his OSX system? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am trying to create a draft message for a logged in user but keep getting the error Missing draft message when ... still no luck. Any ideas? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to push code on heroku that is on gihub I used the following command git push heroku mybranch:master ... correct way to push on heroku See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I got some weired problem while converting data type in ruby. Here are some of the outputs that i got in ... can get my expected output. Thanks See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    courtesy of irb: 2.0.0-p0 :006 > @instance_variable = "from an instance variable" => "from an instance ... . Not some crazy workaround :) See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Let's say I have a Ruby class: class MyClass def self.property return "someVal" end def self.property=( ... setter" operation return a value? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm possibly confusing rack and capybara methods here let!(:admin){FactoryGirl.create(:admin)} # test passes ... order to keep it updated? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I couldn't think of a better way to refactor the below code (see this question), though I know it's very ... the code to remove this error? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I may be in the minority here, but I very much enjoy Perl's formats. I especially like being able to ... also curious about any other options. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm getting this error when running bundler to install my gems. I've looked around and find no solution ... ruby_noexec_wrapper:14:in `<main>' See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I assume there is a nice one-line way to say in ruby if mystr == "abc" or "def " or "ghi" or ... online references I normally consult... Thanks! See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm looking to loop through a matrix similar to Looping in a spiral but looping outside-in, instead of inside-out. Can anyone ... , [1,1], [2,1] See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Running heroku run rake db:migrate, I get this error: Missing required arguments: aws_access_key_id, ... appreciated. Thanks! See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    What do double square brackets mean in a regex? I am confused about the following examples: /[[^abc]]/ ... double brackets and single brackets. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    We just upgraded our virtual machines to what I thought was an identical ruby configuration (via RVM... Ruby 1.9 ... Nor does the database.yml. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    If both a method and a variable has the same name it will use the variable. hello = "hello from ... method instead without changing name? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I know it's not safe to use interpolated strings when calling .where. e.g. this: Client.where(" ... {some_value_1}, #{some_value_2}") See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    In my routes.rb I have: get "projects/:category_id" => "projects#index" When I write projects_path(1) ... /:category_id(.:format) projects#index See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    How can I suppress file or line reference such as the commented output line below when running compass compile and ... changes in my git commit. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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